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IP Verse

Polycarbonate-Polyorganosiloxane Copolymer And Method For Continuously Producing Same - EP2871200

The patent EP2871200 was granted to Idemitsu Kosan on Jan 30, 2019. The application was filed on Jun 26, 2013 under application number EP13812542A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP2871200

IDEMITSU KOSAN
Application Number
EP13812542A
Filing Date
Jun 26, 2013
Status
Opposition Rejected
Mar 15, 2024
Publication Date
Jan 30, 2019
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentativeOpposition Status
SABIC SABIC INNOVATIVE PLASTICSOct 25, 2019SABIC GROUPADMISSIBLE

Patent Citations (33) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONJP2005060599
DESCRIPTIONJP2009132756
DESCRIPTIONJP2009285533
DESCRIPTIONJPH06329781
DESCRIPTIONJPH08157206
DESCRIPTIONJPS63268736
EXAMINATIONEP2460837
EXAMINATIONUS2012157653
EXAMINATIONUS4839458
EXAMINATIONUS6930202
INTERNATIONAL-SEARCH-REPORTJP2000302962
INTERNATIONAL-SEARCH-REPORTJP2002284977
INTERNATIONAL-SEARCH-REPORTJP2003524031
INTERNATIONAL-SEARCH-REPORTJP2007112845
INTERNATIONAL-SEARCH-REPORTJPH06100684
INTERNATIONAL-SEARCH-REPORTJPH11180920
INTERNATIONAL-SEARCH-REPORTWO0018822
INTERNATIONAL-SEARCH-REPORTWO2013080816
OPPOSITIONEP0511640
OPPOSITIONEP1035150
OPPOSITIONEP1272543
OPPOSITIONEP2277936
OPPOSITIONEP2460837
OPPOSITIONEP2511321
OPPOSITIONEP2821439
OPPOSITIONJPH059288
OPPOSITIONJPS63268736
OPPOSITIONUS2012157653
OPPOSITIONUS4839458
OPPOSITIONUS6930202
SEARCHEP1035150
SEARCHEP1272543
SEARCHEP2277936

Dossier Documents

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